CVE-2023-48364

MEDIUM

6.5

CVSS Score

Published: February 13, 2024 at 08:59 AM UTC

Updated: June 17, 2026 at 06:34 AM UTC

7 products affected across 1 vendorSIMATIC PCS 7SIMATIC WinCCSIMATIC WinCC Runtime Professional

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 Update 4). The implementation of the RPC (Remote Procedure call) communication protocol in the affected products do not properly handle certain malformed RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Openpcs 7 · Siemens

95%

v ≤ 9.1All versions < V9.1 SP2 UC05

SIMATIC Batch · Siemens

95%

v ≤ 9.1

SIMATIC PCS 7 · Siemens

95%

v ≤ 9.1v < V9.1 SP2 UC05

Affected range stops below V9.1 SP2 UC05, so it looks safe — our inference, not a vendor statement

SIMATIC Route Control · Siemens

95%

v ≤ 9.1All versions < V9.1 SP2 UC05

SIMATIC WinCC · Siemens

95%

v < V7.5 SP2 Update 15v < V8.0 Update 47.4 7.5 8.0

Affected range stops below V7.5 SP2 Update 15, so it looks safe — our inference, not a vendor statement

Affected range stops below V8.0 Update 4, so it looks safe — our inference, not a vendor statement

SIMATIC WinCC Runtime Professional · Siemens

95%

v ≤ 18v < V18 Update 4v < V19 Update 219

Affected range stops below V18 Update 4, so it looks safe — our inference, not a vendor statement

Affected range stops below V19 Update 2, so it looks safe — our inference, not a vendor statement

SIMATIC BATCH V9.1 · Siemens

60%

All versions < V9.1 SP2 UC05

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://cert-portal.siemens.com/productcert/html/ssa-753746.html

References (1)

Vendor Advisory

Source: [email protected]

https://cert-portal.siemens.com/productcert/html/ssa-753746.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMsiemens

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-476

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